Cobalt(II) Chloride
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Cite "Cobalt(II) Chloride"
Cobalt(II) Chloride. (n.d.). In Compound. Retrieved from /th/compound/cobaltii-chloride/
"Cobalt(II) Chloride." Compound, /th/compound/cobaltii-chloride/.
@misc{cobaltii-chloride, title={Cobalt(II) Chloride}, url={/th/compound/cobaltii-chloride/}}
IUPAC: Cobalt(II) chloride
CAS: 7646-79-9
ภาพรวม
Cobalt(II) chloride changes from blue (anhydrous) to pink (hydrated) with moisture, making it a popular humidity indicator. It is used in silica gel desiccants.
องค์ประกอบ
การใช้งาน
- • Humidity indicator
- • Invisible ink
- • Electroplating
- • Catalyst
ข้อเท็จจริงที่น่าสนใจ
- ✦ The blue-to-pink color change with humidity is used in weather-predicting novelty items
ความปลอดภัย
- ⚠ Carcinogen
- ⚠ Toxic
Structure
SMILES
[Cl-].[Cl-].[Co+2]
คุณสมบัติ
- ประเภท
- salt
- สถานะ
- solid
- มวลโมลาร์
- 129.84 g/mol
- ความหนาแน่น
- 3.3560 g/cm³
- จุดหลอมเหลว
- 735.0 °C
- จุดเดือด
- 1049.0 °C
- การละลาย
- 529 g/L at 20°C
Molecular Descriptors
- Exact Mass
- 128.8709
- TPSA
- 0.0 Ų
- H-Bond Donors
- 0
- H-Bond Acceptors
- 2
- Rotatable Bonds
- 0
- Heavy Atoms
- 3
- Complexity
- 0.0
Frequently Asked Questions
What is Cobalt(II) Chloride?
Cobalt(II) Chloride (CoCl₂) is a salt compound with the IUPAC name Cobalt(II) chloride.
What is the molecular weight of Cobalt(II) Chloride?
Cobalt(II) Chloride has a molar mass of 129.84 g/mol.
What state is Cobalt(II) Chloride at room temperature?
Cobalt(II) Chloride is a solid at room temperature.
Is Cobalt(II) Chloride organic or inorganic?
Cobalt(II) Chloride is classified as an inorganic compound.
What elements make up Cobalt(II) Chloride?
Cobalt(II) Chloride (CoCl₂) is composed of Chlorine (Cl), Cobalt (Co).